Catalog Section # Part name Qty Prod Prod date FINIS Part No. Pinto OHC engines B4.10 - Water Pump & Connections/Thermostat 10A Seal and seat assy - impellor 1 GB 1/80 - 8/82 1550128 731F 8A559 AA Pinto OHC engines B4.10 - Water Pump & Connections/Thermostat TRANSIT/P100 1 1/78 - 12/86 1550128 731F 8A559 AA